WER 100% with all deletions while decoding and doing the scoring

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achintyaha

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Jul 15, 2019, 8:28:47 AM7/15/19
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Trying to do the decoding and scoring after monophone training and alignemnt. I have checked mfcc feature for both train and test data. They all seems fine.

This is the out of file exp/mono/decode/scoring_kaldi/best_wer: %WER 100.00 [ 110566 / 110566, 0 in , 110566 del, 0  ub ] exp/mono/decode/wer_7_0.0

This is my directory structure so far (Just to know if I am missing anything)

├── conf
├── data
│   ├── lang
│   │   ├── phones
│   │   └── tmp
│   ├── local
│   │   ├── dict
│   │   └── lang
│   ├── test
│   │   ├── conf
│   │   └── split4
│   │       ├── 1
│   │       ├── 2
│   │       ├── 3
│   │       └── 4
│   ├── train
│   │   ├── conf
│   │   ├── data
│   │   └── split4
│   │       ├── 1
│   │       ├── 2
│   │       ├── 3
│   │       └── 4
│   └── train_10k
│       └── split4
│           ├── 1
│           ├── 2
│           ├── 3
│           └── 4
├── exp
│   ├── make_mfcc
│   │   └── data
│   │       ├── test
│   │       └── train
│   ├── mono
│   │   ├── decode
│   │   │   ├── log
│   │   │   └── scoring_kaldi
│   │   │       ├── log
│   │   │       ├── penalty_0.0
│   │   │       │   └── log
│   │   │       ├── penalty_0.5
│   │   │       │   └── log
│   │   │       ├── penalty_1.0
│   │   │       │   └── log
│   │   │       └── wer_details
│   │   ├── graph
│   │   │   └── phones
│   │   └── log
│   ├── mono0a
│   │   └── decode_test_yesno
│   │       └── log
│   └── mono_ali
│       └── log
├── local
├── mfcc
├── src -> ../../src
├── steps -> ../wsj/s5/steps
└── utils -> ../wsj/s5/utils




Daniel Povey

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Jul 15, 2019, 1:57:41 PM7/15/19
to kaldi-help
I can't tell from that what might have gone wrong.  Looks like no words were output.  Maybe a problem during training.


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achintyaha

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Jul 16, 2019, 4:28:46 AM7/16/19
to kaldi-help
Got the error. It was because I created G.fst using smallcase letter while all my transcription was in uppercase.
Results (Best WER on test data): %WER 2.57 [ 2838 / 110566, 331 in , 339 del, 2168  ub ] exp/mono/decode/wer_17_0.0
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